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Questions tagged [dart]

Dart is a class-based, statically(& strongly)-typed programming language for building web and mobile applications. Dart compiles to modern JavaScript to run in the browser and compiles to native code to run on mobile platforms like Android and iOS. Dart also runs on the command-line for scripting and server-side apps.

Am trying to check if List l hs some items in List m using Dart, I want to use a cleaner way of doing it,
Then after that I arrange in order in List n , first all items from List m then followed by ...

I'm new to dart/flutter and am building an app right now that keeps track of some data on each user in a firstore database. I have a 'Users' collection which contains a document for each user, and one ...

I just started to refactor my apps structure using the provider package. Now I get the error above, even though I'm calling the provider down the widget tree in the next BuildContext.
Any idea what ...

Upfront I apologize if this is improper format and a basic flaw on my end, but I am very new to this. I have been going through Flutter tutorials online and once I got my project to the step where we ...

which is the best way to use aws amplify cognito services from flutter? There is no official support from aws for flutter. I found a plugin - https://pub.dev/packages/flutter_aws_amplify_cognito but ...

I have a string that may contain russian or other non-latin 1 symbols that have to be removed from that string. Exact name of the encoding used is "iso-8859-1". I could loop through all of the symbols ...

I am new in flutter,
I tried to add a CircularProgressIndicator while waiting to the web page to load,
and then the page display and the circular indicator dosen't show on screen.
where it's should ...

So today I freshly installed android studio for flutter. I followed every step given on the flutter website. Yet I came across multiple issues at different point of time.
List Of Events:
1. Tried to ...

I have two tables: 'notes' and 'groups'.Querying from groups works fine, as do all other requests, but from notes it does not.
I have the following: enter image description here
I do not understand ...

I'm currently trying to figure out sign-up for my app. Right now, at sign up I ask users for a username alongside an email and password (for firebase_auth).
The thing is, I don't want more than one ...

I am designing an app to survey users on current affairs. I want a specific icon to appear based on whether the user has taken the survey or not.
At the moment, I have a future which pulls the name ...

I was trying to get the list page refreshed if a method was run on another page. I do pass the context using the push navigation.
I tried to follow these 3 answers Answer 1 Answer 2 and Answer 3 and ...

I want to display a text at the bottom left if the image to be like as the below figure:
and this the below code is related:
import 'package:flutter/material.dart';
import 'package:provider/provider....

my code when it found the data object it turns fine and i do not have any error. but when the data that i pass is not in the database it will return the exception. I don't know where to fix the error
...

I'm developing a Flutter App that receives data in JSON format from a Scala server.
Everything works well, but sometimes I get an incomplete message.
I'm using a Streambuilder to handle the process, ...

I am trying to build a flutter app that will retain the shared preference data of a user even after the app is uninstalled. Upon re-installation, I want the shared preference data to remain the same. ...

I followed a tutorial when building this and I rewrote the code twice but it still doesn't work. Is it just the fact that I call the notifications from main on app launch or is their something wrong ...

I am making a custom icon to use in flutter application. When i upload my svg to customicon website it shows me error of convert to compound path manually If image looks not as expected please convert ...

We are using the firebase_crashlytics plugin for Flutter to get error reports in Crashlytics. Unfortunately for Android, only the non-fatal issues show a proper Dart code stack trace. The fatal issues ...

I have two functions named getAllContacts() which will get all the contacts from mobile and upDateAllContacts() which creates widgets using contact numbers and append it to list named registerdUsers = ...